CN1082452A

CN1082452A - Fluid filtering device

Info

Publication number: CN1082452A
Application number: CN 92110450
Authority: CN
Inventors: 奥于斯泰因·费斯特; 奥斯莫·莱里瓦拉
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-08-06
Filing date: 1992-08-06
Publication date: 1994-02-23

Abstract

A kind of fluid filtering device has open-top receptacle (1), and at least one is positioned on the flat annular filter wheel (20) in the container, and a driving mechanism, is used for rotating this filter wheel; The filter wheel has framework (21) and filter (22).The filter part that fluid is flowed through and changed fluid in succession over to along the y direction of container.The present invention has horizontal open channel (10) in container, it plays the sealing supporting role when framework (21) rotates.Be in following filter (22) part of liquid level in the container along container projection longitudinally, the container section of being determined by container and liquid level when being not less than this framework and being positioned in the track is long-pending.

Description

Fluid filtering device

The present invention relates to a kind of fluid filtering device, it comprises: the container of a upper opening, the annular filter wheel that at least one is flat, and a driving mechanism that is used for rotating this filter wheel; It is semi-cylindrical shell and two end walls that this container has a shape approximation, is respectively equipped with input channel and output channel on corresponding end wall; Filter wheel comprises that then an annular frame and one are positioned on this framework and are in filter in the frame plane, this filter wheel can wind perpendicular to framework plane of living in and the axis that passes frame center and rotate, and this filter wheel is positioned on the mode in this container, the feasible fluid that flows to outlet along the container y direction from inlet and container, be in the work level basically, can flow through the subregion of this filter, when the filter wheel rotated, the subregion of filter was one after the other fallen in the fluid.

In the device of existing the above-mentioned type, the external diameter of this filter wheel frame is less than the internal diameter of container, and promptly this framework radially is inserted in the container, and the filter wheel is vertical with the container longitudinal axis.

At first, the area of filter is long-pending less than the container section that is limited by shell, so need to change more continually filter, and because framework is inserted in the container, then it forms a dead angle, thereby produces a slough, the particle aggregation that should be filtered in this zone flows no longer forward.So just reduce the performance of this device, and can produce fault, and need carry out expensive complicated clean operation.

Secondly, heavier particle is bonded on the filter and the quantity of removing from fluid with the rotation of filter wheel has been reduced, and then a large amount of these class particles accumulate in the front of framework bottom.

Container is made into an integral body in existing device.So just can not be easily with its shortening or elongation, to change the number of filter wheel according to the operating condition that changes; Again because of the driving wheel of putting on adopting comes the rotating filter wheel by the belt mode, take turns contacting of edge filter is taken turns to pressing down so that belt is tightened so need use the support wheel put and filter.Like this,, support wheel also need be pulled down for the filter wheel is pulled down, pretty troublesome.

In existing device, the not liquid being filtered that flows through between framework and container can not be collected and be withdrawn in the container with pump, so that it is filtered.Like this, the fine filtrator set in the downstream will be blocked by particle, and these particles should be removed on the filter of upstream setting, so just cause inconvenience and have increased cost.

The purpose of this invention is to provide a kind of device of the top type of introducing, can avoid shortcoming above-mentioned.

Feature of the present invention is explained by the feature in the claim.

Followingly introduce the present invention in detail with reference to accompanying drawing, these accompanying drawings have schematically been described the embodiment of apparatus of the present invention.

The stereogram that Fig. 1 takes turns first embodiment for container uncovered in apparatus of the present invention and filter, the driving shaft of its middle filtrator wheel is to disconnect expression;

Fig. 2 is the plane of container shown in Figure 1 and filter wheel, wherein gives the motor of driving wheel;

Fig. 3 is the sectional view along III among Fig. 2-III line;

Fig. 4 is along the amplification sectional view of IV among Fig. 2-IV line to the container bottom, and the part of container and filter wheel is cut off;

Fig. 5 is similar to Fig. 4, is the another kind of embodiment of track;

Fig. 6 is the sectional view along VI among Fig. 2-VI line, but a kind of device is shown, and its container has difform track, and the filter wheel is supported by the roller that is arranged in the track;

Fig. 7 is the enlarged side view of filter wheel shown in Figure 1 and driving mechanism thereof;

Fig. 8 is the vessel side view that has the diffuse cutting filter wheel, and it is vertical with the plane of symmetry of container that this takes turns the plane, and the part of container is cut off;

Fig. 9 is the container plane with vertically extending filter wheel, the longitudinal axis of this filter wheel and container at angle, wherein the part of container is cut off;

Figure 10 is the stereogram of another embodiment of container, and this container has separation device and two end members of a bending, is separated from each other between them;

Figure 11 is the stereogram of a central component, and it can use with end member shown in Figure 10;

Figure 12 is and the corresponding sectional view of Fig. 4, formed a track between two members of Figure 10 or 11 shown types, and filter wheel wherein has been removed.

In the narration below, " top " and " bottom " term is meant when attaching it to the operating position, the relative position of this device each several part, the operating position as shown in Figure 1, the opening that is meant container is vertically upward.

As shown in Figure 1, this device comprises an open-top receptacle 1, and it comprises that a shape is essentially semi-cylindrical shell 2 and two end walls 3,4.Have the input channel 5 of introducing the liquid to be filtered body and function on the end wall 3, and have on the end wall 4 and draw the output channel 6 that filter liquide is used.During operation, the liquid level in the control container makes its horizontal diameter that is in container 15 places, as shown in Figure 3.

This container is supported by suitable support 14.

The middle part of shell 2 is furnished with two flanges 7,8, and they are arranged in corresponding transverse plane, extends to another longitudinal edge from a longitudinal edge of shell upper.Between two flange outer rims, have an even surface 9, and the housing parts between flange 7,8 is removed, so flange and even surface have constituted an open tracks 10 together in container 1.

Being connected between end wall and shell, between shell and the flange and between flange and the even surface is all water-tight.

As shown in Figure 3, the cross section of the bottom 11 of shell resembles one and half garden shapes, and its two ends extend upward, and two

parallel housing parts

12,13 link to each other with outer casing underpart 11.The diameter 15 of outer casing underpart and the plane of symmetry 16 of container are shown in dotted line.

Insert a flat filter wheel 20 in track 10, this is taken turns and comprises an annular frame 21, is equipped with a garden shape filter cloth 22 on framework, is called filter below.Filter is taken turns residing plane and is called the wheel plane.

For fastening filter 22, framework 21 for example can be two annular sections, has for example V-ring shape track on one of them part, and has annular flange on another part, and the cross section of its cross section and track matches, and track and crimping and framework are homocentric.For filter is fixed on the framework, the limit portion of filter is placed between two annular sections, and when two parts lumped together, the annular section of filter just was crimped and is pressed onto in the track like this, and then filter is tauted and fixes.

Can be inserted into the frame part 21 in the track 10, comprise that two are parallel to the side surface 23 of taking turns the plane, 24(referring to Fig. 4).When framework inserts in the track, gap between corresponding two side surfaces 27,28 of these two side surfaces and track 10, should make the filter wheel free to rotate, simultaneously when fluid when input pipe 5 flows to efferent duct 6, make only have minimum fluid from a side of filter wheel by slot leakage to opposite side.When filter wheel rotates, even surface 9 sliding-contacts of its edge and track 10, and relative side 27,28 sliding-contacts of its frame facet 23,24 and track 10.So make the material of track and framework, preferably the little material of those mutual coefficient of frictions.Like this, track can be made by the very smooth stainless steel in surface, then can be made by certain plastic material with the frame part that track is pressed over, vice versa.

For the filter in this device of continuous wash, another device (not shown) can be set, when the filter wheel rotates, the filter part that shifts out in the liquid is from container cleaned along the cleaning fluid that the flow direction opposite with filtering fluid flows through this filter part by one continuously.Have the cleaning fluid that washes out particle, be arranged on the preceding tank of filter wheel by one and collect.

If liquid is very dirty, perhaps have particles with different sizes, then container can have more than one filter wheel, has the track that several are similar to track 10.

If the sealing between above-mentioned track 10 and the framework 21 is tight inadequately, can between track side surfaces 28 and corresponding frame facet 24, a sealing strip 25 be set, it is located in the groove on the flange, and extends along track 10.

Preferably as shown in Figure 5, the sealing strip 25,26 of a groove so that the above-mentioned type to be set respectively arranged in the relative both sides 27,28 of track 10.

If on framework 21 radially outer edges, a toroidal cavity 30 is arranged, and a through hole 31 arranged in the bottom of even surface 9, then the liquid that leaks by sealing strip can be collected in the cavity 30, and is pumped to party upstream by through hole 31 and a pipe-line system, and these liquid are filtered.

When fluid enters input channel 5 at a relatively high speed, a jet pump preferably is set, fluid operated by what flow into, its input pipe is linked on the through hole 31 by pipeline, and the liquid of leakage is introduced in the input pipe of this device.

In order to reduce the required power of rotating filter wheel, can constitute between two flanges 41 of track along being provided with along the container longitudinal extension at least two points of track periphery and being fixed on axle on the flange, on axle, be respectively equipped with rotating bearing 40, when framework 21 is arranged in the track 10, in order to supporting filter wheel 20 and make it to rotate, as shown in Figure 6, two bearing wheels that wherein drawn.

As shown in Figure 7, for the rotating filter wheel, can be provided with tooth 50 with the formative gear limit at the edge of framework 21.It can be rotated by gear 51 by motor 52.This motor for example can be positioned on the container 1 by a suitable support (not drawing among the figure).

As shown in Figure 7, framework can comprise two rings 53,54, has tooth 50 on one of them ring 53, and the diameter of another ring 54 is greater than the diameter of ring 53, and it contacts with track 10 and bearing wheel 40.Two available screws of ring link to each other.The screw center line is by dotted line 55 expressions.As shown in Figure 4 and Figure 5, the cavity 30 of savings leakage liquid is to be formed by the diameter difference of frame loops 53,54.If the filter wheel otherwise drives, cavity also can otherwise form certainly.

Be arranged to the vertical this mode of the longitudinal axis with container except taking turns the plane, also can as shown in Figure 8 the filter wheel diameter line that is arranged in the container plane of symmetry be arranged to the longitudinal axis of container at angle.The filter wheel just upwards and to this container outlet direction tilts like this.The advantage of She Zhiing is like this, can make heavy particle in the liquid be easier to be bonded on the filter and and be removed from liquid along with the rotation of filter wheel, and also be like this to the light grains that floats over liquid surface simultaneously.In addition, effective filtration area (promptly be bonded on the framework and by the filter area of liquid immersion) is also big perpendicular to the filter wheel of the container longitudinal axis than the wheel plane.

Also can be as shown in Figure 9, turn over certain angle and increase effective filtration area by will take turns the plane around vertical axis, wherein be arranged in one perpendicular to the container plane of symmetry and comprise the filter wheel diameter line on the plane of the longitudinal axis, with this longitudinal axis at angle.

Even because filter wheel also must remain circle under above-mentioned inclination situation, when observing on the direction perpendicular to flange plane of living in, be under the cylindrical situation then at shell, flange be shaped as ellipse.

Also can change the cross sectional shape of shell into ellipse in addition, its main shaft is to tilt and extend along level or vertical direction with the first kind of mode or the second way according to filter wheel.

Except making the integrated container that has two cavitys as shown in Figure 1, also can make a kind of container that constitutes by two end members 61,62 as shown in figure 10.Each end member comprises that a shape approximation is semi-cylindrical housing parts 63,64, and the one end is by end wall 65,66 sealings, and the other end has radially-protruding flange 67,68 at the edge of shell.In addition, this container can have the separation device 69 of a bending, and its degree of crook is identical with the shape of the radially outer edge of flange 67,68.Flange and separation device can be linked together by the screw in the hole that vertically is inserted into along container on flange and the separation device.Label 71 is the center line of this screw.

In addition, this container can comprise one or more central components 80, and each member comprises that is approximately a semi-cylindrical shell 81.Each end on shell is vertical has a radially outer flange 82,83 along its edge, it is connected every the flange of device 69 with corresponding second central component 80 or end member 61,62 by above-mentioned bent portions, this degree of crook of separating device is identical with the radially outer edge shape of these flanges, and be used as the air locking between these flanges, the container of Gou Chenging has plural cross track like this, the side surface of track is made of the opposite flank of adjacent ribs, and the track bottom is made of each separation device 69.

Like this, the length of container can optionally increase or reduce, and container has one or more filter wheel.

In order to reduce the friction between filter wheel and the flange, but the apparent surface between adjacent ribs goes up coating, slide block, adhesive tape and so on, and framework contacts with it when rotating in track.

Claims

1, a kind of fluid filter assembly, it comprises: an open-top receptacle (1), at least one flat annular filter wheel, and a driving mechanism that is used for rotating this filter wheel; It is semi-cylindrical shell (2), two end walls (3,4) that this container has a shape approximation, and is arranged on input channel (5) and output channel (6) on the respective end walls; Filter wheel (20) comprises that then an annular frame (21) and one are positioned at this frame plane and are fixed on filter (22) on this framework, this filter wheel can wind perpendicular to framework plane of living in and the axis that passes this frame center and rotate, this frame plane is referred to as to take turns the plane subsequently, and this filter wheel is positioned on the mode in this container, the feasible fluid that flows to outlet along the container y direction from inlet and container, be in the work level basically, can flow through the subregion of this filter, when the filter wheel rotates, these subregions are one after the other fallen in the fluid, it is characterized in that: shell (2) has the horizontal inner radial track (10 that is essentially of a strip openings at internal tank, 70), this track stretches out from the inner surface radial direction of container, and when the garden of this filter wheel frame (21) loop section rotates, playing sealing and supporting role, this garden ring radially is in outside the inner surface of container when being positioned at track.

2, device as claimed in claim 1 is characterized in that, is provided with a sealing strip (25,26) between at least one rail side surface (27,28) and corresponding frame side surface (23,24), and it is positioned on shell (2) and upward and along track (10,70) extends.

3, device as claimed in claim 2 is characterized in that, along container (1) longitudinal direction a sealing strip (25,26) is arranged respectively on two relative rail side surfaces (27,28).

4, device as claimed in claim 3 is characterized in that, in track (10, the 70) bottom of container (1) bottom one radial direction through hole (31) is arranged, and the liquid by sealing strip (25,26) leaks can be withdrawn into the party upstream of leakage point by it.

As the device of arbitrary claim in the claim 1～4, it is characterized in that 5, the framework (21) of filter wheel (20) can slide in track (10), and the bottom connection of its radially outer edge surface and track touches.

6, as the device of arbitrary claim in the claim 1～4, it is characterized in that, vertically constituting along container (1) between two relative orbit side surfaces of track (10,70), and on 2 of track, two axles are being arranged, be fixed on the container, and have a rotating bearing wheel (40), at the framework (21) of filter wheel (20) when being arranged in track, be used for supporting this filter wheel and make it and can rotate.

7, device as arbitrary claim in the claim 1～6, it is characterized in that, container (1) comprises two end members (61,62), the one end is by end wall (65,66) sealing, the other end has the flange (67 that radially protrudes along shell edge, 68), this container also comprises the separation device (69) of a bending, its degree of crook is identical with the flange outer shape, flange can link to each other with the separation device as air locking, on container, formed the track (70) that is essentially horizontal like this, the side surface of this track is by relative flange side surface (67,68) constitute, and its bottom constitutes by separating device (69).

8, device as arbitrary claim in the claim 1～7, it is characterized in that, this container comprises at least one central component (80), this member comprises that a shape approximation is the shell of half garden cylindricality (81), on the shell edge of each end a flange (82 that outwards protrudes is being arranged longitudinally along shell, 83), each flange can with second central component (80) or end member (61,62) respective flanges links to each other, and separation device (69) as the bending of air locking arranged between flange, its degree of crook and flange (67,68,82, the shape of radially outer 83) is identical, the container of Xing Chenging has at least two cross tracks (70) like this, its side surface is made of the apparent surface of adjacent ribs, and device (69) formation is separated in the track bottom by each.

As the device of arbitrary claim in the claim 1～8, it is characterized in that 9, the framework (21) of filter wheel has a toothed limit, thereby can filter wheel (20) be rotated by a gear (51).

10, as the device of arbitrary claim in the claim 1～9, it is characterized in that, be arranged in the filter wheel diameter line of container (1) symmetrical plane, become an inclination angle with the longitudinal axis (17) of this container.

11, as the device of arbitrary claim in the claim 1～10, it is characterized in that, be positioned at vertical and comprise filter wheel (20) diameter line on the plane of the container longitudinal axis (17), become an inclination angle with this container longitudinal axis with container symmetrical plane (16).